How do I use blender masks to make it look like there is magic in my videos
Be more specific, because as a fellow avid magical enthusiast, there are a plethora of ways you can make magical items. Adding emission to make it glow, adding volumetric shading (volume) around the mask to make it look spooky, a change in texture, and/or even distorting the mask is an effective way to make it look like it reacts to hand movements.